   0  inline_call_r_i <JitCode 'c_int_w'>, R[%r0] -> %i0
   6  -live- %i0, %r1
   9  inline_call_ir_r <JitCode 'fpathconf'>, I[%i0], R[%r1] -> %r0
  17  -live- %r0
  20  ref_return %r0
